On the spin-up / spin-down transitions in accreting X-ray binaries

  title={On the spin-up / spin-down transitions in accreting X-ray binaries},
  author={Rosalba Perna and Enrico Bozzo and Luigi Stella},
Accreting X-Ray Binaries display a wide range of behaviours. Some of them are observed to spin up steadily, others to alternate between spin-up and spindown states, sometimes superimposed on a longer trend of either spin up or spin down. Here we interpret this rich phenomenology within a new model of the disk-magnetosphere interaction. Our model, based on the simplest version of a purely material torque, accounts for the fact that, when a neutron star is in the propeller regime, a fraction of… CONTINUE READING


Publications referenced by this paper.

Accretion-driven stellar X-ray sources

  • H. F. Henrichs
  • 1983
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